{"id":"USN-3689-1","summary":"libgcrypt11, libgcrypt20 vulnerability","details":"Keegan Ryan discovered that Libgcrypt was susceptible to a side-channel\nattack. A local attacker could possibly use this attack to recover ECDSA\nprivate keys.\n","modified":"2026-04-22T09:46:18.868169Z","published":"2018-06-19T15:17:55Z","related":["UBUNTU-CVE-2018-0495"],"upstream":["CVE-2018-0495","UBUNTU-CVE-2018-0495"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3689-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-0495"}],"affected":[{"package":{"name":"libgcrypt11","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt11@1.5.3-2ubuntu4.6?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3-2ubuntu4.6"}]}],"versions":["1.5.0-3ubuntu3","1.5.3-2ubuntu1","1.5.3-2ubuntu4","1.5.3-2ubuntu4.1","1.5.3-2ubuntu4.2","1.5.3-2ubuntu4.3","1.5.3-2ubuntu4.4","1.5.3-2ubuntu4.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libgcrypt11","binary_version":"1.5.3-2ubuntu4.6"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2018-0495","severity":[{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3689-1.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20@1.6.5-2ubuntu0.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.5-2ubuntu0.5"}]}],"versions":["1.6.3-2ubuntu1","1.6.4-3","1.6.4-4","1.6.4-5","1.6.5-2","1.6.5-2ubuntu0.2","1.6.5-2ubuntu0.3","1.6.5-2ubuntu0.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libgcrypt20","binary_version":"1.6.5-2ubuntu0.5"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2018-0495","severity":[{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3689-1.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20@1.8.1-4ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-4ubuntu1.1"}]}],"versions":["1.7.8-2ubuntu1","1.7.9-1","1.8.1-4","1.8.1-4ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libgcrypt20","binary_version":"1.8.1-4ubuntu1.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2018-0495","severity":[{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3689-1.json"}}],"schema_version":"1.7.5"}